The key for cell 1G is found on the bottom (aka the 9th) floor, in the Jailor's Room. The story will push you this way, so you don't need to go too far out of your way to look for it. This will give you access to the 5th floor general area.
The key for cell 1G is found on the bottom (aka the 9th) floor, in the Jailor's Room. The story will push you this way, so you don't need to go too far out of your way to look for it. This will give you access to the 5th floor general area.